/*-
* BSD LICENSE
- *
+ *
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
- *
+ *
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
extern "C" {
#endif
-#define RTE_VERSION 1 /**< The version of the RTE configuration structure. */
#define RTE_MAGIC 19820526 /**< Magic number written by the main partition when ready. */
/**
* The global RTE configuration structure.
*/
struct rte_config {
- uint32_t version; /**< Configuration [structure] version. */
- uint32_t magic; /**< Magic number - Sanity check. */
-
-
uint32_t master_lcore; /**< Id of the master lcore */
uint32_t lcore_count; /**< Number of available logical cores. */
enum rte_lcore_role_t lcore_role[RTE_MAX_LCORE]; /**< State of cores. */
} __attribute__((__packed__));
/* Flag definitions for rte_config flags */
-#define EAL_FLG_HIGH_IOPL 1 /**< indicates high IO privilage in a linux env */
+#define EAL_FLG_HIGH_IOPL 1 /**< indicates high IO privilege in a linux env */
/**
* Get the global configuration structure.
rte_set_application_usage_hook( rte_usage_hook_t usage_func );
/**
- * macro to get the lock of tailq in mem_config
+ * macro to get the lock of tailq in mem_config
*/
#define RTE_EAL_TAILQ_RWLOCK (&rte_eal_get_configuration()->mem_config->qlock)
rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK); \
TAILQ_INSERT_TAIL(list, elm, next); \
rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK); \
-} while (0)
+} while (0)
/**
* Utility macro to do a thread-safe tailq 'REMOVE' of rte_mem_config
} \
} while(0)
-
+/**
+ * Whether EAL is using huge pages (disabled by --no-huge option).
+ * The no-huge mode cannot be used with UIO poll-mode drivers like igb/ixgbe.
+ * It is useful for NIC drivers (e.g. librte_pmd_mlx4, librte_pmd_vmxnet3) or
+ * crypto drivers (e.g. librte_crypto_nitrox) provided by third-parties such
+ * as 6WIND.
+ *
+ * @return
+ * Nonzero if hugepages are enabled.
+ */
+int rte_eal_has_hugepages(void);
+
#ifdef __cplusplus
}
#endif